Price the evidence gap before the remaining construction
A partly built house can look easy to finish because much of the frame or roof already exists. A completion tender may still omit the evidence needed to accept that earlier work. QBCC’s non-completion guidance warns that missing stage and aspect certificates can restrict progress and final certification. Before treating a replacement builder’s price as a complete recovery budget, ask the building certifier what is absent, who could provide it and what further assessment might be needed. Visible progress and a recoverable certification record are different project inputs.
Start with the approval and the existing certifier’s file
Collect the building approval, approved plans, amendments, inspection records, engineering details and certificates already issued. Establish who is currently engaged as certifier and obtain advice about any proposed change. Keep originals and record where each document came from. Ask the certifier to identify the approved scope against which earlier work must be assessed. Do not assume a sales pack or builder’s progress photographs contain the whole approval history. A missing copy may be recoverable from the issuing practitioner; an inspection that never occurred presents a different problem.
Distinguish stage records from aspect evidence
The QBCC guidance identifies regulated-stage certificates such as Form 16 and aspect evidence such as Forms 12 and 43 as potential constraints after non-completion. Your task is not to choose a form number for each trade. Ask the certifier to map the actual work, required evidence, responsible practitioner and current form requirements. Record whether a certificate is missing, incomplete, inconsistent with the plans or merely awaiting a copy. That distinction prevents the project team from pricing a document search as though it were a technical reassessment.
Check what the insurance pathway does not provide
QBCC explains that it cannot assist in acquiring certificates for work completed before termination of the original contract and that assistance for those certificate costs is excluded under the cited scheme terms. Have QBCC confirm how the current terms apply to the actual claim. Do not assume an accepted completion claim pays every certification-related expense. Keep the insurance decision, certifier’s requirements and replacement builder’s scope on separate lines so each gap has a named owner. Never terminate a contract merely to try to trigger insurance; obtain legal advice about the facts and process.
Obtain a lawful recovery proposal before opening anything
Where earlier work is concealed, ask the certifier and relevant engineer what evidence can lawfully establish its condition and compliance. They may need more information before defining a solution. Do not promise that photographs will be sufficient, or that a replacement practitioner will retrospectively sign somebody else’s work. Obtain a written scope for investigation, access, testing, rectification and reinstatement where required. Ask who accepts each resulting report. Keep safety controls in place and leave physical investigation to suitably qualified contractors rather than opening walls or structural connections yourself.
A practical completion-tender comparison
Imagine two contractors price the same unfinished house. One quote includes remaining cladding and finishes; the other also allows for access and reinstatement linked to the certifier’s evidence requirements. Neither price can be compared properly until those scopes are reconciled. Ask both tenderers to identify exclusions, assumptions about existing work and the point at which uncertainty will be priced. Record any provisional investigation separately from confirmed completion work. Have the quantity surveyor include the unresolved exposure and professional fees without presenting the allowance as an insurer-approved reimbursement.
TPC deal lens: restart in a sequence the certifier can support
Prepare a recovery register with the approved drawing reference, completed work, missing evidence, proposed provider, cost responsibility and release point. Put tasks that must occur before concealment ahead of finishes. QBCC’s handover guidance shows that final documents depend on the building and work type, so ask the certifier what this particular project must receive. Have the lawyer address appointment and contract changes, while the certifier directs the certification requirements. A faster restart is of little benefit if it makes missing evidence harder to recover later.
Key takeaway
An unfinished-build budget needs both remaining physical work and a credible route through the earlier certification gaps. You are not expected to reconstruct the approval file or decide acceptable evidence alone. Start with the certifier, preserve the records and obtain claim-specific advice from QBCC. Your turn: which missing document could stop the next stage, and is its recovery included in the proposed restart scope?
Your practical decision checklist
- Obtain the approval file and existing stage and aspect records.
- Ask the certifier to identify missing evidence and its effect on the next stage.
- Confirm claim-specific exclusions with QBCC and contractual steps with the lawyer.
- Reconcile the recovery scope and completion tender before restarting.
Image credit: Troy Mortier / Unsplash. Illustrative photograph. Source · Licence Cropped.
Sources and boundaries
Sources checked 4 November 2026.
- QBCC — Building approval associated with non-completion — Missing certificates, their effects and limits of scheme assistance.
- QBCC — Handover and final documentation — Completion documentation depends on building and work type.
Queensland residential building work, focusing on certificate gaps after non-completion and the Queensland Home Warranty Scheme guidance cited. Eligibility, insurance decisions and building class must be assessed for the actual project. This is not advice to terminate a building contract. Sources checked 4 November 2026; specialist confirmation remains required for the actual site, contract or transaction.
General educational information only, not personal financial, legal, tax, planning, engineering or building advice. Have the named qualified specialist confirm current requirements for your circumstances.
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Frequently asked questions
Does a completion quote include old certificates?
Only if the actual scope says so; ask the certifier and contractor to reconcile requirements and exclusions.
Will QBCC obtain certificates from before termination?
The cited guidance says it cannot assist with acquiring those certificates. Confirm the current terms for the actual claim.
Can a new builder simply sign for previous work?
Do not assume so. Ask the certifier what lawful evidence and practitioner involvement are required.
Should I terminate the original contract now?
This guide does not advise termination. Ask a Queensland building lawyer about the actual circumstances first.
What is the first useful document?
A certifier-led register of missing evidence, effects on work stages, recovery options and cost responsibilities.

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